JPS5668428A - Refraction force measuring apparatus - Google Patents

Refraction force measuring apparatus

Info

Publication number
JPS5668428A
JPS5668428A JP14527079A JP14527079A JPS5668428A JP S5668428 A JPS5668428 A JP S5668428A JP 14527079 A JP14527079 A JP 14527079A JP 14527079 A JP14527079 A JP 14527079A JP S5668428 A JPS5668428 A JP S5668428A
Authority
JP
Japan
Prior art keywords
measuring apparatus
force measuring
refraction force
refraction
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14527079A
Other languages
Japanese (ja)
Other versions
JPS6219852B2 (en
Inventor
Shinji Wada
Yoshinori Oana
Ikuo Kitao
Yasuo Katou
Taketoshi Ishihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokyo Optical Co Ltd
Original Assignee
Tokyo Optical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokyo Optical Co Ltd filed Critical Tokyo Optical Co Ltd
Priority to JP14527079A priority Critical patent/JPS5668428A/en
Priority to US06/204,229 priority patent/US4408847A/en
Publication of JPS5668428A publication Critical patent/JPS5668428A/en
Publication of JPS6219852B2 publication Critical patent/JPS6219852B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0242—Testing optical properties by measuring geometrical properties or aberrations
    • G01M11/0257—Testing optical properties by measuring geometrical properties or aberrations by analyzing the image formed by the object to be tested
    • G01M11/0264—Testing optical properties by measuring geometrical properties or aberrations by analyzing the image formed by the object to be tested by using targets or reference patterns
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0228—Testing optical properties by measuring refractive power

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biophysics (AREA)
  • Eye Examination Apparatus (AREA)
JP14527079A 1979-11-09 1979-11-09 Refraction force measuring apparatus Granted JPS5668428A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP14527079A JPS5668428A (en) 1979-11-09 1979-11-09 Refraction force measuring apparatus
US06/204,229 US4408847A (en) 1979-11-09 1980-11-05 Refractory power measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14527079A JPS5668428A (en) 1979-11-09 1979-11-09 Refraction force measuring apparatus

Publications (2)

Publication Number Publication Date
JPS5668428A true JPS5668428A (en) 1981-06-09
JPS6219852B2 JPS6219852B2 (en) 1987-05-01

Family

ID=15381244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14527079A Granted JPS5668428A (en) 1979-11-09 1979-11-09 Refraction force measuring apparatus

Country Status (2)

Country Link
US (1) US4408847A (en)
JP (1) JPS5668428A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6338502U (en) * 1986-08-28 1988-03-12
EP1983023A1 (en) 2007-02-02 2008-10-22 JSR Corporation Radiation-curable composition, composite and manufacturing method thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60145119A (en) * 1983-12-30 1985-07-31 キヤノン株式会社 Measurement of refractive power of eye
JPS61268228A (en) * 1985-05-24 1986-11-27 株式会社トプコン Apparatus for measuring eye refraction power
US5684561A (en) * 1992-05-26 1997-11-04 Daphne Eye Technologies Device and method for evaluation of refraction of the eye

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669530A (en) * 1970-01-26 1972-06-13 David Guyton Lens for target image displacement in a lens measuring instrument
US3664631A (en) * 1970-02-25 1972-05-23 David Guyton Cylindrical lens systems for simultaneous bimeridional measurement in a lens measuring instrument
JPS5469455A (en) * 1977-11-14 1979-06-04 Tokyo Optical Device for measuring astigmatism axis and refracting power

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6338502U (en) * 1986-08-28 1988-03-12
JPH0342884Y2 (en) * 1986-08-28 1991-09-09
EP1983023A1 (en) 2007-02-02 2008-10-22 JSR Corporation Radiation-curable composition, composite and manufacturing method thereof

Also Published As

Publication number Publication date
JPS6219852B2 (en) 1987-05-01
US4408847A (en) 1983-10-11

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